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hed the central railway station. A. whenever B. until C. while D. wherever 5. I recognized you ________ I saw you at the airport. A. the moment B. while C. after D. once 6. He was about to go to bed ________ the doorbell rang. A. while B. as C. before D. when listen to your advice, I get into trouble. A. Every time B. When C. While D. Until 8. _____ John was watching TV, his wife was cooking. A. As B. As soon as C. While D. Till 9. The children ran away from the orchard(果園) ______ they saw the guard. A. the moment B. after C. before D. as 10. No sooner had I arrived home _____ it began to rain. A. when B. while C. as D. than11. Several weeks had gone by _____ I realized the painting was missing. A. as B. before C. since D. when 12. It _____ long before we ____ the result of the experiment. A. will not be。 know 13. –What was the party like? Wonderful. It’s years _____ I enjoyed myself so much. A. after B. before C. when D. since 14. The new secretary is supposed to report to the manager as soon as she_____. A. will arrive B. arrives C. is going